ChipApex | Global Electronic Components Supplier
RT8120FGS
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC REGULATOR CONTROLLER
- Series：-
- Mfr：Richtek USA Inc.
- Package：Bulk
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：3V ~ 13.2V
- Frequency - Switching：300kHz
- Duty Cycle (Max)：85%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable, Phase Control
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOP
- Grade：-
- Qualification：-
Download product information
Overview
The RT8120FGS is a high-efficiency, synchronous step-down DC-DC converter from Richtek USA Inc. It integrates two N-channel power MOSFETs and operates with an input voltage range of 3.5V to 24V. The device delivers up to 3A output current with adjustable output voltages. It features fixed switching frequencies of 300kHz or 600kHz, selectable via the FREQ pin. Key protections include over-current protection (OCP), thermal shutdown (TSD), and under-voltage lockout (UVLO). The component is housed in a compact WQFN-16L package measuring 3mm x 3mm.
Feature Summary
- Integrated synchronous rectification for enhanced efficiency
- Fixed frequency operation with selectable switching rates
- Comprehensive protection mechanisms including thermal and current limits
Applications
- Portable consumer electronics
- Industrial control systems
- Communication equipment
Procurement Notes
Verify the specific suffix code against official datasheets to confirm switching frequency options and package variations. Ensure compatibility with PCB layout requirements for thermal management. Cross-reference manufacturer documentation for RoHS compliance status and recommended operating conditions before integration into final designs.
Selection Notes
Select this component when designing space-constrained power supplies requiring high efficiency at moderate currents. Consider the fixed switching frequency options based on external inductor size constraints. Evaluate thermal performance needs relative to the WQFN-16L package's heat dissipation capabilities in the target application environment.
Part Context
This part belongs to Richtek's family of synchronous buck converters designed for general-purpose power management. It complements other models in the series by offering a balance between cost, size, and performance suitable for battery-powered and regulated rail applications.
Replacement Considerations
Consult official substitution guides for direct pin-compatible alternatives within the same product line. Verify electrical parameters such as input voltage range and current capacity match system requirements before replacing.
